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Titlebook: Ecological Studies in the Middle Reach of Chesapeake Bay; Calvert Cliffs Kenneth L. Heck Book 1987 Springer-Verlag Berlin Heidelberg 1987 b

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21#
發(fā)表于 2025-3-25 06:57:44 | 只看該作者
,Gespr?che im Themenkreis Palliative Care,ns. In terms of dry weight biomass however, molluscs dominated the standing crops by an order of magnitude. Large differences in recruitment over the years had no apparent affect on the dominance of the major species. The seasonal fluctuation of benthic population abundance peaked in the spring and
22#
發(fā)表于 2025-3-25 09:53:40 | 只看該作者
J?rg Müngersdorff,Rüdiger Müngersdorffe crab Callinectes sapidus, and the American oyster Crassostrea virginica. Clam populations were sampled along 19 km of shoreline by hydraulic escalator dredge during 7 years from 1971 to 1979. Population size, percent legal size, and distribution fluctuated widely over time. Large numbers of small
23#
發(fā)表于 2025-3-25 14:01:54 | 只看該作者
24#
發(fā)表于 2025-3-25 16:28:52 | 只看該作者
https://doi.org/10.1007/978-1-349-11996-7sulted in frequent reductions of phytoplankton densities particularly during periods when flagellated taxa dominated total cell numbers. Entrainment-induced reductions in chlorophyll were observed on only four occasions, however. Phytoplankton productivity as oxygen evolution or .C-uptake was even m
25#
發(fā)表于 2025-3-25 20:54:18 | 只看該作者
26#
發(fā)表于 2025-3-26 02:20:27 | 只看該作者
Androgen-Responsive Genes in Prostate Cancerecially useful when a phenomenon under study is intermittent or has a relatively long periodicity. Long-term records also provide a standard against which the effects of experimental manipulations may be evaluated (Likens, 1983; Coull, 1985). The data derived from the long-term studies near Calvert
27#
發(fā)表于 2025-3-26 07:24:56 | 只看該作者
Druck des Lichts und Druck der Verh?ltnisse. Anchoa mitchilli, Leiostomus xanthurus, Trinectes maculatus, Brevoortia tyrannus . Micropogonias undulatus. ........
28#
發(fā)表于 2025-3-26 10:37:28 | 只看該作者
Impingement Studies. Anchoa mitchilli, Leiostomus xanthurus, Trinectes maculatus, Brevoortia tyrannus . Micropogonias undulatus. ........
29#
發(fā)表于 2025-3-26 16:24:27 | 只看該作者
General Characteristics of the Chesapeake Bay and Study Areae present continental shelf. During the last ice age, sea level was approximately 98 m below its present position (Schubel, 1981) and with the melting of glacial ice in North America, 5 to 15 TYBP, sea level began to rise at a rate of 1 m per century, advancing across the continental shelf at a rate
30#
發(fā)表于 2025-3-26 16:57:57 | 只看該作者
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